Insert the key into the key barrel and rotate clockwise, open the top cover.
Lock the bike handle
That will allow the locking pin to pass through and push the key barrel down and turn anti-clockwise to lock up.
The lock give a single beep sound. You then have 5 seconds to press the bar to activate the alarm.
After activation, the lock will give a loud warning tone.
If the lock position is changed or if the lock is attacked, the siren will emit 5 beeps as a warning and then emit a loud siren for 15 seconds at the same time smartphone will receive notification. If the lock is left alone it will re-set and re-arm.
To turn off the siren when in alarm mode, insert the key into the key barrel and rotate anticlockewise to unlock.
HOW TO REPLACE BATTERY
Unlock the lock.
Open the water proof cover.
Replace the CR2 battery.
Close the cover and reassemble the parts.
Please avoid close proximity to your ears. The extremely loud alarm will damage your hearing if held close to your ears